On Fri, Feb 24, 2023 at 11:44:55AM -0600, Mike Christie wrote:
> + /*
> + * Assume we are using 128-bit host IDs and allocate a buffer large
> + * enough to get enough keys to fill the return keys buffer.
> + */
> + rs_len = sizeof(*rs) +
> + num_keys * si
This patch adds support for the pr_ops read_keys callout by calling the
NVMe Reservation Report helper, then parsing that info to get the
controller's registered keys. Because the callout is only used in the
kernel where the callers, like LIO, do not know about controller/host IDs,
the callout just
